Why did American forces have difficulty fighting against the Vietcong guerillas?

Firstly most of the war was fought as a guerrilla war. This is a type of war which conventional forces such as the US army in Vietnam, find notoriously difficult to fight. Conventional forces are easy to identify, guerrillas are not. In Vietnam the Vietcong were peasants by day and guerrillas by night.

Explanation:

the great wall of china worked as a defense for the feudal states of the zhou dynasty to the north. during the warring states period more walls were put up to defend the borders of the different kingdoms. it was semi successful because despite the wall, the mongols eventually conquered china also the great wall provided protection to the economic development and cultural progress, safeguarded the trading routes such as the silk road, and secured transmission of information and transportation. @jayxboof

on this day in 1833, president andrew jackson announces that the government will no longer use the second bank of the united states, the country's national bank. a national bank had first been created by george washington and alexander hamilton in 1791 to serve as a central repository for federal fund